Home / 1,787,015.60-2,680,523.40-791,687.60

Finding the Fourth Proportional to 1,787,015.60, 2,680,523.40 and 791,687.60

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Solution

The fourth proportional to 1,787,015.60, 2,680,523.40 and 791,687.60 is: 1,187,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,015.60 : 2,680,523.40 = 791,687.60 : x
  2. Step 2: Convert to fraction form
    1,787,015.60/2,680,523.40 = 791,687.60/x
  3. Step 3: Cross multiply
    1,787,015.60x = 2,680,523.40 × 791,687.60
  4. Step 4: Simplify right side
    1,787,015.60x = 2,122,137,137,289.84
  5. Step 5: Solve for x
    x = 2,122,137,137,289.84/1,787,015.60
  6. Step 6: Final answer
    x = 1,187,531.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.